aab file extension) that you upload to Google Play. An Android App Bundle is a file (with the. aab file and store it in our computer’s AndroidAppBundle/app/release directory. On completion, Android Studio will generate a. Then, open the module dropdown, and choose the app as our base module from the list.įollow the instructions provided on-screen to complete the build process. The next step is to select the Android App Bundle checkbox and then click the Next button. To build a signed app bundle from Android studio first, select Build > Generate Signed Bundle/APK from the Android Studio toolbar. Using Android Studio or Command-line tools you can simply build your project as a signed app bundle. Old APK at 26.8MB compared to the new AAB at 14.4 to 17.7 MB Google play itself generates an optimized APK for every device type based on its specifications and CPU structure. Only compiled code and resources are contained in the AAB bundle.

The size of an APK can be reduced by 35% by publishing the app in AAB (Android App Bundle) format – official Android Developers blog.

Unluckily, this also means that every single device, which downloads your app, will receive a bunch of code and resources that are not going to be used at all. When we develop an app using React Native, we want to make sure that our app can run on as many different devices as possible, by providing resources that are optimized for different CPU architectures, screens as well as many other factors.

Android build release apk